ATE366949T1 - Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige - Google Patents

Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige

Info

Publication number
ATE366949T1
ATE366949T1 AT05101523T AT05101523T ATE366949T1 AT E366949 T1 ATE366949 T1 AT E366949T1 AT 05101523 T AT05101523 T AT 05101523T AT 05101523 T AT05101523 T AT 05101523T AT E366949 T1 ATE366949 T1 AT E366949T1
Authority
AT
Austria
Prior art keywords
light
light guide
dual
lcd display
display device
Prior art date
Application number
AT05101523T
Other languages
English (en)
Inventor
Robert J Lowles
Marc A Drader
James Robinson
Original Assignee
Research In Motion Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE366949T1 publication Critical patent/ATE366949T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/18—Throwing or slinging toys, e.g. flying disc toys
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3265—Power saving in display device
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133618—Illuminating devices for ambient light
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133715—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films by first depositing a monomer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H04M19/048—Arrangements providing optical indication of the incoming call, e.g. flasher circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Telephone Function (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Telephone Set Structure (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)
  • User Interface Of Digital Computer (AREA)
  • Calculators And Similar Devices (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Integrated Circuits (AREA)
AT05101523T 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige ATE366949T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05101523A EP1696259B1 (de) 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine Rückbeleuchtungseinrichtung einer LCD Anzeige

Publications (1)

Publication Number Publication Date
ATE366949T1 true ATE366949T1 (de) 2007-08-15

Family

ID=35124458

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05101523T ATE366949T1 (de) 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige

Country Status (11)

Country Link
EP (3) EP2273309B1 (de)
JP (3) JP5032037B2 (de)
KR (1) KR100832057B1 (de)
CN (2) CN1828374B (de)
AT (1) ATE366949T1 (de)
AU (1) AU2006200862B2 (de)
CA (1) CA2538071C (de)
DE (1) DE602005001610T2 (de)
MX (1) MXPA06002289A (de)
SG (1) SG125236A1 (de)
TW (1) TWI340855B (de)

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US8279158B2 (en) 2005-02-28 2012-10-02 Research In Motion Limited Dual-function light guide for LCD backlight
EP1748307A1 (de) 2005-07-25 2007-01-31 Research In Motion Limited Geteilter Lichtleitkörper für eine Anzeige einer empfangenen Nachricht und Lichtsensor zum Detektieren von Umgebungslicht
US7352930B2 (en) 2005-07-25 2008-04-01 Research In Motion Limited Shared light pipe for a message indicator and light sensor
US8698727B2 (en) * 2007-01-05 2014-04-15 Apple Inc. Backlight and ambient light sensor system
CN101354494B (zh) * 2007-07-26 2010-06-02 和硕联合科技股份有限公司 电子装置
EP2096840B1 (de) 2008-02-29 2012-07-04 Research In Motion Limited Visuelle Ereignismeldung auf einem tragbaren Kommunikationsgerät
US9049255B2 (en) 2008-02-29 2015-06-02 Blackberry Limited Visual event notification on a handheld communications device
US8232958B2 (en) * 2008-03-05 2012-07-31 Sony Mobile Communications Ab High-contrast backlight
TWI385434B (zh) * 2008-11-14 2013-02-11 Himax Imagimg Inc 具整合光度計之顯示器及調整顯示亮度之方法
EP2522967B1 (de) * 2009-06-29 2018-09-19 BlackBerry Limited Wellenleiter zur Verbesserung der Winkelabhängigkeit eines Lichtsensors
US8319764B2 (en) 2009-06-29 2012-11-27 Research In Motion Limited Wave guide for improving light sensor angular response
US8403539B2 (en) 2010-02-26 2013-03-26 Research In Motion Limited Light guide for improving device lighting
EP2403223B1 (de) * 2010-06-30 2017-08-16 BlackBerry Limited Anpassung der Bildschirmhelligkeit abhängig des Umgebungslichts
US8471500B2 (en) 2010-06-30 2013-06-25 Research In Motion Limited Electronic device and method of illumination
CN102143276A (zh) * 2010-12-29 2011-08-03 上海华勤通讯技术有限公司 省电节能电子设备及其省电节能的方法
CN108519809B (zh) * 2011-11-28 2021-05-18 联想(北京)有限公司 显示方法和电子设备
CN103200286A (zh) * 2013-03-28 2013-07-10 深圳市中兴移动通信有限公司 环境亮度测量装置及移动终端
US9411436B2 (en) * 2013-09-20 2016-08-09 Microsoft Technology Licensing, Llc Input device backlighting
CN103744476A (zh) * 2013-12-25 2014-04-23 苏州欢颜电气有限公司 一种电脑防辐射装置
CN105094616B (zh) * 2015-08-12 2019-02-12 小米科技有限责任公司 触摸屏控制方法及装置
US10838126B2 (en) 2016-09-19 2020-11-17 Apple Inc. Electronic devices with infrared blocking filters
CN110136656A (zh) * 2019-04-24 2019-08-16 昆山龙腾光电有限公司 背光模组及液晶显示装置
US10694607B1 (en) 2019-06-24 2020-06-23 Apple Inc. Electronic devices with light sensor waveguides

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Also Published As

Publication number Publication date
MXPA06002289A (es) 2007-01-25
KR100832057B1 (ko) 2008-05-27
EP1818715A1 (de) 2007-08-15
JP5236063B2 (ja) 2013-07-17
DE602005001610D1 (de) 2007-08-23
CN1828374A (zh) 2006-09-06
HK1153281A1 (en) 2012-03-23
AU2006200862B2 (en) 2010-04-01
CA2538071C (en) 2013-07-23
CN101901577A (zh) 2010-12-01
AU2006200862A1 (en) 2006-09-14
TWI340855B (en) 2011-04-21
SG125236A1 (en) 2006-09-29
CA2538071A1 (en) 2006-08-28
EP2273309B1 (de) 2016-05-04
EP1696259A1 (de) 2006-08-30
EP2273309A1 (de) 2011-01-12
JP2012103710A (ja) 2012-05-31
EP1818715B1 (de) 2016-05-25
JP2006276842A (ja) 2006-10-12
JP5032037B2 (ja) 2012-09-26
HK1094355A1 (en) 2007-03-30
DE602005001610T2 (de) 2008-04-10
TW200639523A (en) 2006-11-16
CN101901577B (zh) 2013-01-02
CN1828374B (zh) 2010-09-29
KR20060095482A (ko) 2006-08-31
EP1696259B1 (de) 2007-07-11
JP2013145388A (ja) 2013-07-25

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